let me see you 1-2 step two-step algebraic equations

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Let Me See You 1-2 Step Two-Step Algebraic Equations

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Page 1: Let Me See You 1-2 Step Two-Step Algebraic Equations

Let Me See You 1-2 StepTwo-Step Algebraic Equations

Page 2: Let Me See You 1-2 Step Two-Step Algebraic Equations

Today’s VocabularyToday’s Vocabulary

Two-Step Equations

Coefficient

Constant

Page 3: Let Me See You 1-2 Step Two-Step Algebraic Equations

Two Step EquationsTwo Step Equations

Two-Step Equations are equations that require two-steps to solve.You will ADD or SUBTRACT and then

MULTIPLY or DIVIDE.

33xx + 8 = 29 + 8 = 29

Page 4: Let Me See You 1-2 Step Two-Step Algebraic Equations

CoefficientCoefficient

Coefficient – The number that is attached to a variable

33xx + 8 = 29 + 8 = 29CoefficientCoefficient

Page 5: Let Me See You 1-2 Step Two-Step Algebraic Equations

CoefficientCoefficient

To get rid of the coefficient, you will either MULTIPY or DIVIDE

Page 6: Let Me See You 1-2 Step Two-Step Algebraic Equations

ConstantConstant

The constant is the number that is not attached to a variable.It MUST be on the same side of the equal sign

as the variable.

33xx + + 88 = 29 = 29CoefficientCoefficient ConstantConstant

Page 7: Let Me See You 1-2 Step Two-Step Algebraic Equations

ConstantConstant

To get rid of the constant, you will either ADD or SUBTRACT

You get rid of the constant FIRST!!

Page 8: Let Me See You 1-2 Step Two-Step Algebraic Equations

4x + 12 = 20

Page 9: Let Me See You 1-2 Step Two-Step Algebraic Equations

6x + 3 = 154

-17x + 2 = -8

5x + 15 = 24 -7x - 11 = 33

4x - 13 = -63

-8x + -12 = -20

Label the Coefficient and the Label the Coefficient and the ConstantConstant

Page 10: Let Me See You 1-2 Step Two-Step Algebraic Equations

How do I solve two-step equations?How do I solve two-step equations?

To solve two-step equations, you do order of operations in REVERSE

This means that you do addition or subtraction FIRST

Page 11: Let Me See You 1-2 Step Two-Step Algebraic Equations

Reverse order of Reverse order of operations? What does operations? What does

that mean? Isn’t there an that mean? Isn’t there an easier way to understand easier way to understand

this?this?

Page 12: Let Me See You 1-2 Step Two-Step Algebraic Equations

How do I solve two-step equations?How do I solve two-step equations?

To solve two-step equations, you get rid of the constant FIRST

This means that you do addition or subtraction FIRST

Page 13: Let Me See You 1-2 Step Two-Step Algebraic Equations

4x + 12 = 284x + 12 = 28

Two-Step EquationsTwo-Step Equations

Which number do I “get rid of” first?

What operation do I do?

What number do I “get rid of” next?

What operation do I do?

Page 14: Let Me See You 1-2 Step Two-Step Algebraic Equations

3x - 5 = 73x - 5 = 7

Two-Step EquationsTwo-Step Equations

Which number do I “get rid of” first?

What operation do I do?

What number do I “get rid of” next?

What operation do I do?

Page 15: Let Me See You 1-2 Step Two-Step Algebraic Equations

6x + 12 = 246x + 12 = 24

Two-Step EquationsTwo-Step Equations

Which number do I “get rid of” first?

What operation do I do?

What number do I “get rid of” next?

What operation do I do?

Page 16: Let Me See You 1-2 Step Two-Step Algebraic Equations

-2x - 4 = 10-2x - 4 = 10

Two-Step EquationsTwo-Step Equations

What number do I “get rid of” next?

What operation do I do?

Page 17: Let Me See You 1-2 Step Two-Step Algebraic Equations

2x + 4 = -102x + 4 = -10

Two-Step EquationsTwo-Step Equations

Which number do I “get rid of” first?

What operation do I do?

What number do I “get rid of” next?

What operation do I do?

Page 18: Let Me See You 1-2 Step Two-Step Algebraic Equations

-5x + 12 = 32-5x + 12 = 32

Two-Step EquationsTwo-Step Equations

What operation do I do?

What number do I “get rid of” next?

What operation do I do?

Page 19: Let Me See You 1-2 Step Two-Step Algebraic Equations

-3x + 6 = 27-3x + 6 = 27

Two-Step EquationsTwo-Step Equations

Which number do I “get rid of” first?

What operation do I do?

What number do I “get rid of” next?

What operation do I do?

Page 20: Let Me See You 1-2 Step Two-Step Algebraic Equations

-9x + 9 = -18-9x + 9 = -18

Two-Step EquationsTwo-Step Equations

What operation do I do?

What number do I “get rid of” next?

What operation do I do?

Page 21: Let Me See You 1-2 Step Two-Step Algebraic Equations

6x + 12 = 186x + 12 = 18

Two-Step EquationsTwo-Step Equations

Page 22: Let Me See You 1-2 Step Two-Step Algebraic Equations

5x - 15 = 205x - 15 = 20

Two-Step EquationsTwo-Step Equations

Page 23: Let Me See You 1-2 Step Two-Step Algebraic Equations

-8x + 10 = 42-8x + 10 = 42

Two-Step EquationsTwo-Step Equations

Page 24: Let Me See You 1-2 Step Two-Step Algebraic Equations

-15x - 5 = 40-15x - 5 = 40

Two-Step EquationsTwo-Step Equations